Insights into substrate self-assisted activation of allylic alcohols guiding to mild allylic substitution of tautomerizable heteroarenes

Q Zhou, L Zheng, B Ma, L Huang, A Liu… - The Journal of …, 2020 - ACS Publications
A substrate self-assisted activation of allylic alcohols by tautomerizable heteroarenes via
hydrogen bonding was disclosed by various NMR techniques, including variable-temperature 1 …

Crop recommendation via clustering center optimized algorithm for imbalanced soil data

A Liu, T Lu, B Wang, C Chen - 2020 5th International …, 2020 - ieeexplore.ieee.org
Making regional crop recommendation based on the content of soil elements and nutrient
cycle periods is an efficient and environmental-friendly way in precision agriculture. However, …

Adaptive Visual Control of Robotic Manipulator With Uncertainties in Kinematics and Dynamics

A Liu, G Lai, W Liu - 2021 China Automation Congress (CAC), 2021 - ieeexplore.ieee.org
In this paper, we develop a novel adaptive scheme for uncalibrated visual feedback systems
of robotic manipulators to address the uncertainties in the kinematics and dynamics, which …

Resilient adaptive trajectory tracking control for uncalibrated visual servoing systems with unknown actuator failures

A Liu, G Lai, H Xiao, Z Liu, Y Zhang… - Journal of the Franklin …, 2024 - Elsevier
A resilient adaptive tracking control scheme for uncalibrated visual servoing system with
unknown actuator failures is proposed, where the camera parameters, the robotic physical …

Development of a Biomass Furan-Hydrazide Nucleating Agent of Poly(l-lactide) and Its Application for Biaxial-Oriented Films with Enhanced Performance

Z Jiao, Y Cheng, P Song, X Liu, A Liu… - ACS Applied Polymer …, 2023 - ACS Publications
The application of poly(l-lactide) (PLLA) is constrained by its inherently slow crystallization
rate, resulting in limited heat resistance. The incorporation of nucleating agents (NAs) …

Uncalibrated Adaptive Visual Servoing of Robotic Manipulators with Uncertainties in Kinematics and Dynamics

G Lai, A Liu, W Yang, Y Chen, L Zhao - Actuators, 2023 - mdpi.com
In the study, we propose a novel adaptive visual servoing control scheme for robotic
manipulators with kinematic and dynamic uncertainties, where the camera used is uncalibrated, …

Tremor Attenuation For Robot Teleoperation By A Broad Learning System-Based Approach

W Liu, G Lai, A Liu - 2021 China Automation Congress (CAC), 2021 - ieeexplore.ieee.org
It is a meaningful yet challenging task to achieve the synchronous of a teleoperated robotic
manipulator and a human operator, for which one of the key problems to be overcome is the …

Adaptive event-triggered control for uncalibrated visual servoing of robot manipulators

…, H Xie, A Liu, L Yang, M Chen, H Xiao, Z Liu - Journal of the Franklin …, 2023 - Elsevier
In the study, an adaptive event-triggered control strategy is proposed for image-based visual
servoing of eye-to-hand robot manipulators, where the camera used does not need to be …

Photonic-assisted RF phase difference detector with full 0° to 360° phase detection capability

A Li, EHW Chan, M Liu, H Chen - Applied Optics, 2024 - opg.optica.org
A microwave photonic structure for detecting the phase difference of two radio frequency (RF)
signals is presented. It is capable of determining the RF signal phase difference …

Research on Continuous Variable Reasoning and Completion Method for Digital Twin Based on Improved Dynamic Discrete Bayesian Network

A Zhang, Y Liu, W Deng, Y Jia, D Qi… - 2024 3rd International …, 2024 - ieeexplore.ieee.org
In the new generation of industrial intelligent systems, digital twin technology is a core
method for simulating, predicting, and optimizing physical systems, relying on high- quality, …